Boston Scientific (BSX) Options Chain

NYSE: BSXHealth CareMedical/Dental InstrumentsUSD

42.73+0.69 (+1.64%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 19, 2029
Days to expiration: 831
Share price: $42.73
Put/call ratio (OI): 1.12
Put/call ratio (volume): 2.05
ATM implied volatility: 43.0%
Expected move: ±$27.72
Open interest (C / P): 1.17K / 1.31K

BSX options summary

The BSX options chain for the January 19, 2029 expiration lists 10 call and 8 put contracts, with 831 days until expiration. Open interest stands at 1,171 calls and 1,310 puts, a put/call ratio of 1.12, which is fairly balanced between calls and puts. At-the-money implied volatility near the $45.00 strike is 43.0%, which implies the market expects a move of about ±$27.72 (64.9%) in Boston Scientific stock by expiration.

The most open interest sits at the $30.00 call (370 contracts) and the $35.00 put (1.10K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

BSX options chain · January 19, 2029

BSX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
49	4	59.9%	23.90	23.10	24.80	22.50	1.25	1.50	1.35	41.5%	4	65
9	1	59.2%	22.10	21.80	23.00	25.00	—	—	—	—	—	—
370	18	54.4%	18.30	18.20	19.70	30.00	3.00	3.40	3.20	38.6%	1	32
17	4	52.7%	15.80	15.70	16.80	35.00	4.40	5.00	4.90	36.0%	45	1,097
141	3	52.9%	13.70	13.50	15.00	40.00	6.50	7.40	7.29	35.4%	25	40
BSX $42.73
196	1	51.4%	11.68	11.10	13.20	45.00	8.40	10.20	9.75	34.6%	2	65
37	1	50.0%	9.80	9.60	11.00	50.00	12.00	12.90	12.02	31.9%	2	7
24	2	48.9%	8.38	7.90	8.70	55.00	15.70	16.60	15.50	31.7%	—	1
14	3	50.4%	7.50	6.60	8.00	60.00	19.40	20.60	19.10	31.6%	1	3
314	2	49.0%	5.80	5.70	6.70	65.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the BSX put/call ratio?

For the January 19, 2029 expiration, the BSX put/call ratio based on open interest is 1.12 (1,310 puts vs 1,171 calls), and 2.05 based on today's volume. A ratio above 1 means more puts than calls.

What is BSX's implied volatility?

At-the-money implied volatility for BSX options expiring January 19, 2029 is about 43.0%, an annualized estimate of how much the market expects Boston Scientific stock to move.

How many BSX option expiration dates are there?

BSX has 15 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.